Hindustan Media Ventures Software Engineer Interview Questions and Answers

Q1. Questions on REST API and some simple front end questions
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Q2. GetMapping, springboot
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Q3. How to write a test cases in junit
Ans. 
JUnit is a popular testing framework for Java that allows developers to write and run repeatable tests.
• 1. Import JUnit libraries: Use 'import org.junit.*;' to access JUnit classes.

• 2. Create a test class: Annotate the class with '@RunWith(JUnit4.class)' to indicate it's a test class.

• 3. Write test methods: Annotate methods with '@Test' to mark them as test cases. Example: '@Test public void testAddition() { assertEquals(...read more
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Q1. Very basic questions
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Q2. Security for API,
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API security involves protecting APIs from threats and vulnerabilities to ensure data integrity and confidentiality.
• Use HTTPS to encrypt data in transit, preventing eavesdropping.

• Implement authentication mechanisms like OAuth 2.0 for secure access.

• Validate and sanitize inputs to prevent injection attacks.

• Rate limiting can prevent abuse by restricting the number of requests.

• Use API gateways to manage and monitor API tra
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Medium level questions , 1 hr

Q1. Medium level, technical knowledge test
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Q1. Very low level system design
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Design a low-level system for a software engineer interview.
• Start by understanding the requirements and constraints of the system.

• Identify the components and their interactions.

• Consider the data structures and algorithms needed.

• Think about performance, scalability, and fault tolerance.

• Document the design and discuss trade-offs.
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Q1. What is the use of namespace in Php?
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Namespace in PHP is used to avoid naming conflicts between classes, functions, and variables.
• Namespace allows grouping of related classes, functions, and variables under a common name.

• It helps in organizing code and makes it easier to maintain.

• Namespace can be declared using the 'namespace' keyword followed by the namespace name.

• Example: namespace MyNamespace;

• To use a class or function from a namespace, we need to spec...read more
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Q2. Difference between interface and abstract class
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Interface defines only method signatures while abstract class can have both method signatures and implementations.
• An interface can be implemented by multiple classes while an abstract class can only be extended by one class.

• An abstract class can have constructors while an interface cannot.

• An abstract class can have non-abstract methods while an interface can only have abstract methods.

• An abstract class can have instanc...read more
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Practical module need to solve and execute the progream

Q1. Need the linux server commands and OOP concept, CSS, etc
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Q2. All relavent of the oops, css, aws, mysql related questions. Eg: Primary key vs Unique. Write the joins query for left and inner join. Cat command for linux server. hide vs invisible. block ns display Abs...read more
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Q3. Write a program for login page with using session Database design for one example given by interviewer Palindrome program
Ans. 
Program for login page with session and palindrome program
• Create a login page with HTML and CSS

• Use PHP to handle form submission and validate user credentials

• Create a session for the logged-in user

• Design a database to store user information

• Write a program to check if a given string is a palindrome
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Q1. For our last company of the project details and module discussion. And Technology tech interview
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Ecommerce platform coding test

Q1. Related to technology.
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Q2. Prepare for standard coding pattern
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Q3. We are using many technologies and languages so we need a full stack developer
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Q4. Prepare for ASP.NET and oops
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Q5. ReactJS, AWS, SQL, other database
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Q1. Logical and team-building questions.
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1 hour Hacker Rank Platform Medium To Hard Level Problems are there.

Q1. DSA,OOPS,DBMS One coding Problem on Arrays
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Q1. Discussion On Projects And Some DSA Topics Like Stacks,Queues Problems
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Q1. How nodejs works internally?
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Node.js is a runtime environment that executes JavaScript code outside of a web browser.
• Node.js uses the V8 JavaScript engine from Google Chrome to execute code.

• It is built on the event-driven, non-blocking I/O model, making it lightweight and efficient.

• Node.js uses a single-threaded event loop to handle multiple concurrent connections.

• It has a built-in module system that allows developers to easily add functionality t
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Q2. Std input output questions of js
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It was a 90 minute coding test, involving 3 problems:
1-Given points on a 2d plane, you can delete one point, what is the minimum maximum distance you can have?
2-LFU Cache
3-Given an array with elements 0,1, your task is to find number of ways to divide this array into contiguous chunks so that each chunk has only one 1 in it.

Q1. How do you avoid method overriding?
Ans. 
To avoid method overriding, make the method final or private.
• Declare the method as final to prevent it from being overridden in subclasses.

• Declare the method as private to hide it from subclasses.

• Use the @Override annotation to ensure that a method is actually overriding a superclass method.
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Q2. What is the 'finalize' keyword for?
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The 'finalize' keyword is used in Java to perform cleanup operations before an object is garbage collected.
• The 'finalize' method is called by the garbage collector before reclaiming an object's memory.

• It can be used to release resources like closing files or sockets.

• It is not recommended to rely on 'finalize' for resource cleanup as it is not guaranteed to be called.
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